Home / 981,984.80-1,354,981.56-552,263.60

Finding the Fourth Proportional to 981,984.80, 1,354,981.56 and 552,263.60

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Solution

The fourth proportional to 981,984.80, 1,354,981.56 and 552,263.60 is: 762,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,984.80 : 1,354,981.56 = 552,263.60 : x
  2. Step 2: Convert to fraction form
    981,984.80/1,354,981.56 = 552,263.60/x
  3. Step 3: Cross multiply
    981,984.80x = 1,354,981.56 × 552,263.60
  4. Step 4: Simplify right side
    981,984.80x = 748,306,994,259.22
  5. Step 5: Solve for x
    x = 748,306,994,259.22/981,984.80
  6. Step 6: Final answer
    x = 762,035.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.